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Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CVE-2019-20572

High
9.8/10

Summary

An issue was discovered on Samsung mobile devices with O(8.1) and P(9.0) (Exynos chipsets) software. load_kernel has a buffer overflow via untrusted data. The Samsung ID is SVE-2019-14939 (September 2019).

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • NONE
  • HIGH
  • HIGH

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References

Advisory Timeline

  • Published